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July 29, 2024 2 min read

Chris King Gen 4 rear hub update is a much appreciated one for those who love versatility in their drivetrain setups. The R45, R45D, and Boost CL/6 Bolt rear hubs have all received the Gen 4 treatment, bringing new features while retaining the trusted main hubshells, bearings, and RingDrive components. If your hub is running smoothly, there's no rush to upgrade, but if you're in the market for new hubs or internals, Gen 4 is a welcome innovation.

 

What's New in Gen 4?

  • Universal Axles: All drivers now use model-specific universal axles, eliminating the need for axle wedges. This makes driver removal and installation easier and more secure.
  • Solid Spacers: Driver spacer springs have been replaced with solid spacers, making it more intuitive to feel proper preload.
  • Cost Efficiency: The consolidation of parts results in greater bearing compatibility and lower-cost replacement parts. Swapping between different Gen 4 drivers is now significantly cheaper than in previous generations.

 

Explore Gen 4 Hubs

Discover the latest Gen 4 hubs and experience the improvements for yourself: Gen 4 Hubs



Upgrading Your Previous Model Hub

If you have a previous model hub and want to upgrade, conversion kits are available. These kits include the axle, adjusting clamp, axle ends, and driver with bearings – everything you need to update your hub. Drivers are also available if you want to swap your driver/cassette type.

Explore conversion kits here:Gen 4 Upgrade

 


 

Twin Bearing Boost CL or 6 Bolt Hub

For those with a Twin Bearing Boost CL or 6 Bolt hub wanting to swap the driver/cassette type, Twin Bearing drivers are still available at a lower cost than upgrading to Gen 4. Check out the options here:Twin Bearing Boost CL or 6 Bolt Hub

For more details, visit the official Chris King Gen 4 page.

Stay ahead of the curve with the latest from Chris King and enhance your riding experience with the Gen 4 hubs!

Do you have component compatibility questions? Need help choosing the right components for your bike?Contact us via email, chat, or phone.



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